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Many changes are planned and under way for England's exam system

Media captionWill a 9 be the new A*? Ofqual's Glenys Stacey explains the changes

Exams regulator Ofqual has confirmed the changes it is making to GCSEs, in what it calls the biggest shake-up of exams in England for a generation.

A new grading system will use numbers instead of letters, and coursework is being scrapped for most subjects.

The changes will be in stages, starting with pupils due to take GCSE exams in 2017. Those who turn 13 in this academic year will be the first.

English and maths will be the first subjects affected.

Pupils will begin studying the new courses in English language, English literature and maths from the autumn of 2015.

And about 20 other popular GCSE subjects will be revamped in the same way, ready for teaching a year later, in 2016, with the first exams for those taken in 2018.

'Fresh content'

The changes apply to England only. Wales is planning its own GCSE shake-up, but Northern Ireland is not planning any changes. Scotland has its own exams system.

While they come in, pupils in England will have some exams graded with numbers and some with letters, leading teaching unions to warn this will be confusing for pupils, parents and employers.

Around the UK

The GCSE changes being announced will apply only to pupils in England.

Scotland has its own exam system, but Wales and Northern Ireland also use GCSEs.

Wales is also planning a shake-up, bringing in its own new GCSEs in maths, English and Welsh, which will be taught from the autumn of 2015.

In Northern Ireland no changes to GCSEs are planned. A recent review concluded there was "no case for replacing A-levels or GCSEs in the short or medium term".

Exams will be graded from 1 to 9, with 9 being the highest. Pupils who fail will be awarded a "U" for an unclassified result.

All exams will be taken after two years of study, rather than in modules taken at various stages over two years, meaning a return to the format of O-levels, which pre-dated GCSEs.

And there will be more marks awarded for spelling, punctuation and grammar.

The head of Ofqual, Glenys Stacey, said the changes were "fundamental".

"This is the biggest change in a generation," she said. "They [GCSEs] have been around for over 25 years but now we are seeing fresh content, a different structure, high-quality assessment coming in.

"It's a significant change for students and for schools."

Ms Stacey said the move to a numerical system meant a new grade was being added and that would help examiners distinguish between candidates' performance - especially at the top grades.

She suggested that the move away from traditional grades might be hard for some people to understand, but was important.

"The new qualifications will be significantly different and we need to signal this clearly," she said.

At the same time, the government is confirming changes to what has to be studied in English language, English literature and maths, because the overhaul of exams covers both what is studied and how it is assessed.

Key changes, autumn 2015

Changes will initially be for English language, English literature and maths

Grading by numbers 9-1 rather than by the current letters A*-G

No more modular courses. Instead, full exams taken at the end of two years

Controlled assessments (coursework done under exam conditions) will be scrapped for most subjects

It says in English literature, students will have to "study whole texts in detail, covering a range of literature including Shakespeare, 19th Century novels, Romantic poetry and other high-quality fiction and drama".

The new maths exam will cover more topics and will be more challenging, the government says. Details were released on Friday morning.

For maths, Ofqual is keeping the present arrangement where pupils can be entered for either a higher- or lower-tier paper in maths, depending on their ability.

But in English, that division has been scrapped and one exam will be taken by all.

At the moment, students who are entered for easier papers can be awarded only the maximum of a C grade.

Media captionPupils from Liverpool give their reaction to the changes

The government says young people were let down by the old exam system; that frequent testing meant not enough time was spent on "deep learning" and not enough attention was paid to grammar, spelling and punctuation.

Schools Minister Elizabeth Truss says the changes will improve students' "core skills" in maths and English and raise expectations.

"What we want to do is encourage schools to focus on those core skills that employers really want, because that is what is going to help our children get jobs when they leave school," she said.

'Cautious welcome'

Headteachers' representative, the Association of School and College Leaders (ASCL), gave what it said was a "cautious welcome" to the changes.

Deputy general secretary Malcolm Trobe said: "There is much to welcome in today's announcement, especially the measured approach Ofqual has taken to this significant task.

Analysis

This announcement seals the introduction of changes that have been in the pipeline for a while.

The moves amount to a big structural change to England's exam system and signal a clear break from the previous situation when students in England, Wales and Northern Ireland sat similar forms of GCSEs.

The move towards "linear" assessment, where everything rests on exams taken at the end of two years, is already under way, but the announcement of the removal of coursework from most GCSE subjects cements that.

As teachers, pupils and parents look ahead, they might wonder whether the alterations would survive any change in government.

A general election is scheduled for May 2015 - months before the teaching for these new courses begins.

Ofqual's Glenys Stacey says there is a "great deal of consensus that GCSEs need to reform" and that she does not sense "strong resistance" to the changes from politicians.

But there are clearly points on which the parties differ.

"We have always agreed that GCSE can be improved to better prepare students to meet the needs of the world we live in today. But the constant tinkering with GCSEs we have had in the past has not been helpful."

Unions representing classroom teachers warned that a shift away from coursework and having different levels of exams for different abilities could damage some pupils' education.

Secondary school teacher and spokesman for the Association of Teachers and Lecturers, Jovan Trkulja, said that less able students could suffer.

"Exams are challenging and they should continue to be challenging. But we have to remember that setting the top of the mountain as the baseline means someone has to fall behind, and I feel for the sense of failure for the less able," he said.

Shadow schools minister, Labour MP Kevin Brennan, said he had "reservations" about some aspects of the changes and that the move towards a numbered grading system was a step back to the 1970s.

He said he agreed that the pendulum "might have swung a little too far on coursework", but there was now a danger that "it will swing too far the other way".

"Having everything staked on one final exam is not great for all pupils," he said.